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Finding the Fourth Proportional to 383,572.97, 570,830.55 and 370,801.31

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Solution

The fourth proportional to 383,572.97, 570,830.55 and 370,801.31 is: 551,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,572.97 : 570,830.55 = 370,801.31 : x
  2. Step 2: Convert to fraction form
    383,572.97/570,830.55 = 370,801.31/x
  3. Step 3: Cross multiply
    383,572.97x = 570,830.55 × 370,801.31
  4. Step 4: Simplify right side
    383,572.97x = 211,664,712,873.87
  5. Step 5: Solve for x
    x = 211,664,712,873.87/383,572.97
  6. Step 6: Final answer
    x = 551,823.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.